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topic 9414

Rust prevention


Can anyone please give me apt information to remove rust from iron sheet for painting, or some information regarding rust prevention.

Vinod Kumar Vijayan
Sivind - Kerala


Rust is usually removed in finishing operations by an immersion in an acid such as hydrochloric acid. You will need some sort of treatment in order to prevent rust between the acid etch and painting.

If the iron sheet you are working with is not too big, you may want to investigate running your iron sheet through an iron phosphate (or zinc phosphate) prior to painting. This not only would eliminate your rust before painting, but it would add to the corrosion resistance and adhesion of the final product.

tim neveau
Tim Neveau
Rochester Hills, Michigan

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